The mean of 100 observations is found to be 44 . At the time of computation two items were wrongly taken as 30 and 27 in place of 3 and 72. Find the correct mean.
(1) 44.30 (2) 44.50
(3) 44.18 (4)44.00
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Answer:
ans. is
44.50
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44.50
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